SHAREHOLDERS' EQUITY (Details - Shares Outstanding) - shares	3 Months Ended		6 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock outstanding, beginning of year (in shares)	20,313,755	20,168,796	20,260,070	20,141,521
Common stock repurchased during the period (in shares)	(408,685)	0	(408,685)	0
Common stock issued during the period (in shares)	25,553	12,988	79,238	40,263
Common stock outstanding, end of year (in shares)	19,930,623	20,181,784	19,930,623	20,181,784